/*
 *  Copyright 2013 National Institute of Advanced Industrial Science and Technology
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.sss.mapreduce.example;

import org.sss.client.DataGetter;
import org.sss.client.SssClient;
import org.sss.mapreduce.GroupID;
import org.sss.mapreduce.Tuple;
import org.sss.mapreduce.datatype.PackableDouble;
import org.sss.mapreduce.datatype.PackableInt;

public class DumpVec {

  public static void main(String[] args) throws Exception {
    SssClient client = new SssClient(args);
    String[] others = client.getArgs();
    if (others.length != 1) {
      System.err.println("usage: DumpVec GID");
      System.exit(1);
    }
    String gIDStr = others[0]; 
    GroupID gID = GroupID.createFromString(gIDStr);
    
    DataGetter<PackableInt, PackableDouble> getter = DataGetter.create(client,
        PackableInt.class, PackableDouble.class, gID);

    try {
      for (Tuple<PackableInt, PackableDouble> t: getter) {
        System.out.println(t.getKey() + " " + t.getValue());    
      }
    } finally {
      getter.close();
    }
    System.out.println("group ID for the vec is: "+ gID);
    System.exit(0);
  }
}
